16966740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{199}}^1$

素因数の和:254

約数の個数: 144

約数和(自身を含む): 57456000

約数和(自身を除く): 40489260

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 29, 30, 35, 42, 49, 58, 60, 70, 84, 87, 98, 105, 116, 140, 145, 147, 174, 196, 199, 203, 210, 245, 290, 294, 348, 398, 406, 420, 435, 490, 580, 588, 597, 609, 735, 796, 812, 870, 980, 995, 1015, 1194, 1218, 1393, 1421, 1470, 1740, 1990, 2030, 2388, 2436, 2786, 2842, 2940, 2985, 3045, 3980, 4060, 4179, 4263, 5572, 5684, 5771, 5970, 6090, 6965, 7105, 8358, 8526, 9751, 11542, 11940, 12180, 13930, 14210, 16716, 17052, 17313, 19502, 20895, 21315, 23084, 27860, 28420, 28855, 29253, 34626, 39004, 40397, 41790, 42630, 48755, 57710, 58506, 69252, 80794, 83580, 85260, 86565, 97510, 115420, 117012, 121191, 146265, 161588, 173130, 195020, 201985, 242382, 282779, 292530, 346260, 403970, 484764, 565558, 585060, 605955, 807940, 848337, 1131116, 1211910, 1413895, 1696674, 2423820, 2827790, 3393348, 4241685, 5655580, 8483370, 16966740]

約数ペア:

[(1, 16966740), (2, 8483370), (3, 5655580), (4, 4241685), (5, 3393348), (6, 2827790), (7, 2423820), (10, 1696674), (12, 1413895), (14, 1211910), (15, 1131116), (20, 848337), (21, 807940), (28, 605955), (29, 585060), (30, 565558), (35, 484764), (42, 403970), (49, 346260), (58, 292530), (60, 282779), (70, 242382), (84, 201985), (87, 195020), (98, 173130), (105, 161588), (116, 146265), (140, 121191), (145, 117012), (147, 115420), (174, 97510), (196, 86565), (199, 85260), (203, 83580), (210, 80794), (245, 69252), (290, 58506), (294, 57710), (348, 48755), (398, 42630), (406, 41790), (420, 40397), (435, 39004), (490, 34626), (580, 29253), (588, 28855), (597, 28420), (609, 27860), (735, 23084), (796, 21315), (812, 20895), (870, 19502), (980, 17313), (995, 17052), (1015, 16716), (1194, 14210), (1218, 13930), (1393, 12180), (1421, 11940), (1470, 11542), (1740, 9751), (1990, 8526), (2030, 8358), (2388, 7105), (2436, 6965), (2786, 6090), (2842, 5970), (2940, 5771), (2985, 5684), (3045, 5572), (3980, 4263), (4060, 4179)]